@drift-labs/sdk
Version:
SDK for Drift Protocol
78 lines (77 loc) • 3.37 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.isAmmDrawdownPause = exports.isOperationPaused = exports.ammPaused = exports.fillPaused = exports.exchangePaused = void 0;
const numericConstants_1 = require("../constants/numericConstants");
const types_1 = require("../types");
const anchor_1 = require("@coral-xyz/anchor");
function exchangePaused(state) {
return state.exchangeStatus !== types_1.ExchangeStatus.ACTIVE;
}
exports.exchangePaused = exchangePaused;
function fillPaused(state, market) {
if ((state.exchangeStatus & types_1.ExchangeStatus.FILL_PAUSED) ===
types_1.ExchangeStatus.FILL_PAUSED) {
return true;
}
if (market.hasOwnProperty('amm')) {
return isOperationPaused(market.pausedOperations, types_1.PerpOperation.FILL);
}
else {
return isOperationPaused(market.pausedOperations, types_1.SpotOperation.FILL);
}
}
exports.fillPaused = fillPaused;
function ammPaused(state, market) {
if ((state.exchangeStatus & types_1.ExchangeStatus.AMM_PAUSED) ===
types_1.ExchangeStatus.AMM_PAUSED) {
return true;
}
if (market.hasOwnProperty('amm')) {
const operationPaused = isOperationPaused(market.pausedOperations, types_1.PerpOperation.AMM_FILL);
if (operationPaused) {
return true;
}
if (isAmmDrawdownPause(market)) {
return true;
}
}
return false;
}
exports.ammPaused = ammPaused;
function isOperationPaused(pausedOperations, operation) {
return (pausedOperations & operation) > 0;
}
exports.isOperationPaused = isOperationPaused;
function isAmmDrawdownPause(market) {
let quoteDrawdownLimitBreached;
if ((0, types_1.isVariant)(market.contractTier, 'a') ||
(0, types_1.isVariant)(market.contractTier, 'b')) {
quoteDrawdownLimitBreached = market.amm.netRevenueSinceLastFunding.lte(numericConstants_1.DEFAULT_REVENUE_SINCE_LAST_FUNDING_SPREAD_RETREAT.muln(400));
}
else {
quoteDrawdownLimitBreached = market.amm.netRevenueSinceLastFunding.lte(numericConstants_1.DEFAULT_REVENUE_SINCE_LAST_FUNDING_SPREAD_RETREAT.muln(200));
}
if (quoteDrawdownLimitBreached) {
const percentDrawdown = market.amm.netRevenueSinceLastFunding
.mul(numericConstants_1.PERCENTAGE_PRECISION)
.div(anchor_1.BN.max(market.amm.totalFeeMinusDistributions, numericConstants_1.ONE));
let percentDrawdownLimitBreached;
if ((0, types_1.isVariant)(market.contractTier, 'a')) {
percentDrawdownLimitBreached = percentDrawdown.lte(numericConstants_1.PERCENTAGE_PRECISION.divn(50).neg());
}
else if ((0, types_1.isVariant)(market.contractTier, 'b')) {
percentDrawdownLimitBreached = percentDrawdown.lte(numericConstants_1.PERCENTAGE_PRECISION.divn(33).neg());
}
else if ((0, types_1.isVariant)(market.contractTier, 'c')) {
percentDrawdownLimitBreached = percentDrawdown.lte(numericConstants_1.PERCENTAGE_PRECISION.divn(25).neg());
}
else {
percentDrawdownLimitBreached = percentDrawdown.lte(numericConstants_1.PERCENTAGE_PRECISION.divn(20).neg());
}
if (percentDrawdownLimitBreached) {
return true;
}
}
return false;
}
exports.isAmmDrawdownPause = isAmmDrawdownPause;